Box 13 was a popular Old Time Radio Show that aired from 1947 to 1948. The series revolved around the adventures of Dan Holiday, a former newspaper reporter turned mystery novelist. Unable to find inspiration for his next book, Holiday placed an ad in the newspaper offering his services as an adventure-seeker. The response to his ad was overwhelming, as he received letters that encompassed various thrilling situations. Each week, Holiday would choose one letter and embark on a new adventure, often finding himself in dangerous and suspenseful predicaments. With his quick thinking and resourcefulness, he always managed to come out on top. Box 13 was known for its captivating storytelling and intriguing plotlines, making it a beloved radio show of its time.